#include<stdio.h>

int AddToTarget(int start,int end)
{
	int i = start;
	int sum =0;
	for(;i<=end;i++)
	{
		sum+=i;
	}
	return sum;
}

int main()
{
	printf("run begin...\n");
	int result = 0;
	result = AddToTarget(1,100);
	printf("result: %d\n",result);
	printf("run end...\n");
	return 0;
}
